47263280 has 80 divisors (see below), whose sum is σ = 114260544. Its totient is φ = 18170880.

The previous prime is 47263277. The next prime is 47263297. The reversal of 47263280 is 8236274.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300962 + ... + 301118.

Almost surely, 2^47263280 is an apocalyptic number.

47263280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47263280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57130272).

47263280 is an abundant number, since it is smaller than the sum of its proper divisors (66997264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47263280 is a wasteful number, since it uses less digits than its factorization.

47263280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 47263280 is about 6874.8294524301. The cubic root of 47263280 is about 361.5552059661. Note that the first 3 decimals are identical.

The spelling of 47263280 in words is "forty-seven million, two hundred sixty-three thousand, two hundred eighty".